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Discussion of dry area soil moisture variation rule and its relationship with the yield of maize on loess plateau in eastern of Gansu
王宁珍1,2,张谋草2,黄 斌2,马长青3
Chinese Agricultural Science Bulletin . 2009, (21): 320 -323 .  DOI: 10.11924/j.issn.1000-6850.2009-0897